09:29:29 Enable Cell Caching using MemoryGZip method<br />09:29:29 Create new PHPExcel object<br />09:29:29 Set properties<br />09:29:29 Add data<br />09:29:29 Hide 'Phone' and 'fax' columns<br />09:29:29 Set outline levels<br />09:29:29 Freeze panes<br />09:29:29 Rows to repeat at top<br />09:29:30 Write to Excel2007 format<br />09:29:31 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4832 seconds<br />09:29:31 Current memory usage: 24 MB<br />09:29:31 Peak memory usage: 28 MB<br />09:29:31 Done writing file<br />File has been created in /var/www/html/laravel/vendor/phpoffice/phpexcel/Examples<br />